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(A) clinical characteristics including stage, tumor type and K-Ras mutation status of the three human tumors used to generate PDXs. (B) representative H&E stained sections of the original tumors and of xenografts both at an early passage (Px2 in CCR-038 and CCR-010 and Px3 in CCR-024) and the passage used for the experiments (Px3 in CCR-038, Px5 in CCR-010 and Px6 in CCR-024). Scale bars, 100 μm.
